EP2398802A1 - DERIVATIVES OF 6-CYCLOAMINO-2-THIENYL-3-(PYRIDIN-4-YL)IMIDAZO[1,2-b]-PYRIDAZINE AND 6-CYCLOAMINO-2-FURANYL-3-(PYRIDIN-4-YL)IMIDAZO[1,2-b]-PYRIDAZINE, PREPARATION AND THERAPEUTIC APPLICATION THEREOF